Show Photographs Photograph of Mara Mar Much v. v valuable u work hns has been done with the great Lick LIck refractor retractor In planetary planetary plan plan- etarl observations At the last close approach of ot Mars 82 drawings of the Ule planet and about II 1500 OO photographs were obtained many of ot these with the theold theold old aid of specially dyed plates BOYs says Nature Na Na- ture tore Magazine These are ore of great reat value In Interpreting the nature of ot the changes changed that are ore continually taking place on OD the surface of the planet I |